The flower longhorn beetles feed on nectar and pollen as adults and as larvae will feed on dead or dying wood, the digestion of the cellulose aided by enzymes. They appeared for about three or four days on the pearly everlasting and whether that was their life span or they moved on to other food sources - we don't know. I believe that this is Xestoleptura crassipes, one of three of this genus found in B.C..
Two biologists on a beautiful property armed with cameras, smart phones and a marginal knowledge of websites took up the challenge of documenting one species a day on that property. Join along! Posts and photographs by Leah Ramsay and David Fraser (unless otherwise stated; started January 1, 2014.